Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
cua tre » cuu tre, cua triet, dua tren
va tham » van tham, va thanh, va thuat
va cham » va chat
y nang » ky nang, ly nang, v nang
xuc va » duc va, tuc va, luc va
va dan » ca dan, va dao, va dau
dan vi » doan vi, don vi, dan va
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach y nang x hoi. hieu ((va cham) or (va tham)) xuc va dan vi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach y nang x hoi. hieu ((va cham) OR (va tham)) xuc va dan vi ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: hoc sach y nang x hoi. hieu ((va cham) or (va tham)) xuc va dan vi ((cua tre) or (cua te))*.